1-1 Variables & Expressions

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Presentation transcript:

1-1 Variables & Expressions Vocabulary: - LETTER that stands for a # Variable Constant Expression - NUMBER that doesn’t change - phrase using VARIABLES, NUMBERS, and OPERATIONS

Ex #1: Name the variable, constant and operation. A. x + 5 B. 2m D. 3a - 1

BRAINSTORM What KEYWORDS do you know for the four operations??? ADDITION SUBTRACTION MULTIPLICATION DIVISION Sheet

Ex #2: Write an expression for the word phrase. A. the sum of twice a number and 7 B. eight less than y C. half of g D. six increased by w

YOU TRY! Name the variable, constant, and operation. 1. r – 9 2. 7y 3. Write the expression for the word phrase. 4. the sum of p and 8 5. six more than c

HOMEWORK p.7 #1 p.8 #32-37